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        검색결과 2

        1.
        2015.12 구독 인증기관 무료, 개인회원 유료
        교류형 플라즈마 디스플레이에서 기입기간 중 방전지연시간을 단축시키기 위하여 공통전극에 추가펄스 인가 하였을 때의 플라즈마 방전이 시뮬레이션 되고 기입 광파형이 측정되었다. AC PDP의 초기화 기간 동안 셀 내부에는 벽전하가 쌓이고 그것들은 기입 기간에 주사와 기입펄스에 의해 기입방전을 트리거링 시키기 위하여 이용되어진다. 그러나 종래에는 공통전극에는 DC 바이어스 전압에 의해 음의 전하는 기입방전에 이용되지 못하므로 방전지연시간 의 단축은 한계가 있다. 만약 주사와 기입전극의 전하뿐만 아니라 공통전극의 음의 전하를 이용한다면 방전지연시간 은 단축될 것이고 이를 확인하기 위하여 기입기간 동안 3 전극에 펄스가 모두 인가될 때, 진공 자외선을 발생시키는 Xe 3P2 의 에너지 상태가 시뮬레이션 되었다. 또한 종래의 구동방법과 공통 전극에 추가 펄스를 인가한 경우에 기입 방전의 광파형의 단축을 각각 측정되었다.
        4,000원
        2.
        2017.02 KCI 등재 서비스 종료(열람 제한)
        Rapid industrial development has led to a serious problem of pollution in the industrial sector. With the increasing social need for environmental protection, research on air pollution prevention equipment for reducing pollutants in industrial processes is actively being undertaken. The deterioration of existent, installed facilities, their increased emission rates, and the strengthening of the effluent quality standards make complying with permissible emission standards difficult. In fact, installing new electric precipitators or complementing existent facilities is inevitable. The expansion and complementation of the installed electrical precipitators have led to improvements in dust collection efficiency, shorter working times, and lower costs. Because of its easy installation and simple manufacturing process, the production method with the discharge electrode of an electric precipitator is widely used. The following conclusions were reached by classifying discharge electrodes into four types based on the production method and mutually comparing them by their dust collection efficiency. None of the four types used in this study were damaged by impact. However, we were able to confirm some strain from the compression sites of both type A and type B. Both type B and type C are expected to have greater dust collection efficiencies than the other models due to their large vibration transmissibility. Moreover, the high vibrational energy is expected to cause rapping damage during its operation. Particularly, in the case of type B, some of the strain was found at the end of the compression site. The coupling schemes of both type C and type D are out of vibration transmissibility. On the other hand, the ability to maintain straightness and solidity of the side is regarded as outstanding and stable. Type D has outstanding on-site workability, considering the presence of locking, structural stability, and work conditions. From these experiments, we determined that type C is the most ideal connection method of discharge electrode, considering its construction period of renovation. Type C is inferior to type D with regard to on-site workability. However, type C has outstanding dedusting transmission with regard to the straightness, solidity maintenance, and vibration of shearing stress.